package com.ia.aistream.common.utils;

import org.apache.commons.lang3.time.DateFormatUtils;

import java.lang.management.ManagementFactory;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;

/**
 * 时间工具类
 * 
 * @author ruoyi
 */
public class DateUtils extends org.apache.commons.lang3.time.DateUtils
{
    public static String YYYY = "yyyy";

    public static String YYYY_MM = "yyyy-MM";

    public static String YYYY_MM_DD = "yyyy-MM-dd";

    public static String YYYYMMDDHHMMSS = "yyyyMMddHHmmss";

    public static String YYYY_MM_DD_HH_MM_SS = "yyyy-MM-dd HH:mm:ss";
    
    private static String[] parsePatterns = {
            "yyyy-MM-dd", "yyyy-MM-dd HH:mm:ss", "yyyy-MM-dd HH:mm", "yyyy-MM", 
            "yyyy/MM/dd", "yyyy/MM/dd HH:mm:ss", "yyyy/MM/dd HH:mm", "yyyy/MM",
            "yyyy.MM.dd", "yyyy.MM.dd HH:mm:ss", "yyyy.MM.dd HH:mm", "yyyy.MM"};

    /**
     * 获取当前Date型日期
     * 
     * @return Date() 当前日期
     */
    public static Date getNowDate()
    {
        return new Date();
    }

    /**
     * 获取当前日期, 默认格式为yyyy-MM-dd
     * 
     * @return String
     */
    public static String getDate()
    {
        return dateTimeNow(YYYY_MM_DD);
    }

    public static final String getTime()
    {
        return dateTimeNow(YYYY_MM_DD_HH_MM_SS);
    }

    public static final String dateTimeNow()
    {
        return dateTimeNow(YYYYMMDDHHMMSS);
    }

    public static final String dateTimeNow(final String format)
    {
        return parseDateToStr(format, new Date());
    }

    public static final String dateTime(final Date date)
    {
        return parseDateToStr(YYYY_MM_DD, date);
    }

    public static final String parseDateToStr(final String format, final Date date)
    {
        return new SimpleDateFormat(format).format(date);
    }

    public static final Date dateTime(final String format, final String ts)
    {
        try
        {
            return new SimpleDateFormat(format).parse(ts);
        }
        catch (ParseException e)
        {
            throw new RuntimeException(e);
        }
    }

    /**
     * 日期路径 即年/月/日 如2018/08/08
     */
    public static final String datePath()
    {
        Date now = new Date();
        return DateFormatUtils.format(now, "yyyy/MM/dd");
    }

    /**
     * 日期路径 即年/月/日 如20180808
     */
    public static final String dateTime()
    {
        Date now = new Date();
        return DateFormatUtils.format(now, "yyyyMMdd");
    }

    /**
     * 日期型字符串转化为日期 格式
     */
    public static Date parseDate(Object str)
    {
        if (str == null)
        {
            return null;
        }
        try
        {
            return parseDate(str.toString(), parsePatterns);
        }
        catch (ParseException e)
        {
            return null;
        }
    }
    
    /**
     * 获取服务器启动时间
     */
    public static Date getServerStartDate()
    {
        long time = ManagementFactory.getRuntimeMXBean().getStartTime();
        return new Date(time);
    }

    /**
     * 计算两个时间差
     */
    public static String getDatePoor(Date endDate, Date nowDate)
    {
        long nd = 1000 * 24 * 60 * 60;
        long nh = 1000 * 60 * 60;
        long nm = 1000 * 60;
        // long ns = 1000;
        // 获得两个时间的毫秒时间差异
        long diff = endDate.getTime() - nowDate.getTime();
        // 计算差多少天
        long day = diff / nd;
        // 计算差多少小时
        long hour = diff % nd / nh;
        // 计算差多少分钟
        long min = diff % nd % nh / nm;
        // 计算差多少秒//输出结果
        // long sec = diff % nd % nh % nm / ns;
        return day + "天" + hour + "小时" + min + "分钟";
    }

    public static final String SECOND = "second";//秒
    public static final String MINUTE = "minute";//分钟
    public static final String HOURS = "hours";//小时
    public static final String DAY = "day";//天
    /***
     * 计算两个时间差，返回long类型
     * @param endDate
     * @param nowDate
     * @param returnType
     * @return
     */
    public static long montDatePoor(Date endDate, Date nowDate,String returnType) {
        long nd = 1000 * 24 * 60 * 60;
        long nh = 1000 * 60 * 60;
        long nm = 1000 * 60;
        long ns = 1000;
        // 获得两个时间的毫秒时间差异
        long diff = endDate.getTime() - nowDate.getTime();
        if(SECOND.equals(returnType)) {
            // 计算差多少秒//输出结果
            long sec = diff % nd % nh % nm / ns;
            return sec;
        }else if(MINUTE.equals(returnType)) {
            // 计算差多少分钟
            long min = diff % nd % nh / nm;
            return min;
        }else if(HOURS.equals(returnType)) {
            // 计算差多少小时
            long hour = diff % nd / nh;
            return hour;
        }else if(DAY.equals(returnType)) {
            // 计算差多少天
            long day = diff / nd;
            return day;
        }else {
            return diff;
        }
    }

    /***
     * 校验时间格式
     * @param dateStr
     * @param format
     * @return
     */
    public static boolean checkDate(String dateStr,String format) {
        boolean result = false;
        SimpleDateFormat dateFormat = new SimpleDateFormat(format);
        try {
            dateFormat.setLenient(false);
            dateFormat.parse(dateStr);
            result = true;
        } catch (Exception e) {
            e.printStackTrace();
            result = false;
        }
        return result;
    }

    //获取这一年的日历
    private static Calendar getCalendarFormYear(int year){
        Calendar cal = Calendar.getInstance();
        cal.set(Calendar.DAY_OF_WEEK, Calendar.MONDAY);
        cal.set(Calendar.YEAR, year);
        return cal;
    }

    //获取某一年的某一周的周日日期
    public static String getEndDayOfWeekNo(int year,int weekNo){
        Calendar cal = getCalendarFormYear(year);
        cal.set(Calendar.WEEK_OF_YEAR, weekNo);
        cal.add(Calendar.DAY_OF_WEEK, 6);
        int month  = cal.get(Calendar.MONTH) + 1;
        int year1 =cal.get(Calendar.YEAR);
        int day = cal.get(Calendar.DAY_OF_MONTH);
        if ((cal.get(Calendar.MONTH) + 1)<10){
            if (cal.get(Calendar.DAY_OF_MONTH)<10){
                return cal.get(Calendar.YEAR) +"-0"+ (cal.get(Calendar.MONTH) + 1) + "-0" +
                        cal.get(Calendar.DAY_OF_MONTH);
            }else {
                return (cal.get(Calendar.YEAR) +"-0"+ (cal.get(Calendar.MONTH) + 1)  + "-"+
                        cal.get(Calendar.DAY_OF_MONTH));
            }
        }else {
            if (cal.get(Calendar.DAY_OF_MONTH)<10){
                return cal.get(Calendar.YEAR) + "-"+(cal.get(Calendar.MONTH) + 1) + "-0" +
                        cal.get(Calendar.DAY_OF_MONTH);
            }else {
                return (cal.get(Calendar.YEAR) + "-"+(cal.get(Calendar.MONTH) + 1)  + "-"+
                        cal.get(Calendar.DAY_OF_MONTH));
            }

        }
    }

    //获取某一年的某一周的周一日期
    public static String getStartDayOfWeekNo(int year,int weekNo){
        Calendar cal = getCalendarFormYear(year);
        cal.set(Calendar.WEEK_OF_YEAR, weekNo);
        int month  = cal.get(Calendar.MONTH) + 1;
        int year1 =cal.get(Calendar.YEAR);
        int day = cal.get(Calendar.DAY_OF_MONTH);
        if ((cal.get(Calendar.MONTH) + 1)<10){
            if (cal.get(Calendar.DAY_OF_MONTH)<10){
                return cal.get(Calendar.YEAR) +"-0"+ (cal.get(Calendar.MONTH) + 1) + "-0" +
                        cal.get(Calendar.DAY_OF_MONTH);
            }else {
                return (cal.get(Calendar.YEAR) +"-0"+ (cal.get(Calendar.MONTH) + 1)  +"-"+
                        cal.get(Calendar.DAY_OF_MONTH));
            }
        }else {
            if (cal.get(Calendar.DAY_OF_MONTH)<10){
                return cal.get(Calendar.YEAR) + "-"+(cal.get(Calendar.MONTH) + 1) + "-0" +
                        cal.get(Calendar.DAY_OF_MONTH);
            }else {
                return (cal.get(Calendar.YEAR) +"-"+ (cal.get(Calendar.MONTH) + 1)  +"-"+
                        cal.get(Calendar.DAY_OF_MONTH));
            }

        }


    }


    //获取某一年的某一周的周一日期
    public static String getEndDateofMonth(String date){
        Date thisDate=null;
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
        try {
            thisDate = sdf.parse(date);
        }catch (Exception e){

        }
        Calendar cld = Calendar.getInstance();
        cld.setTime(thisDate);

//月份+1，天设置为0。下个月第0天，就是这个月最后一天
        cld.add(Calendar.MONTH, 1);
        cld.set(Calendar.DAY_OF_MONTH, 0);
        return  sdf.format(cld.getTime());
    }


    public static String dateToStamp(Date s) {
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        String format = sdf.format(s);
        String res = "";
        if (format != null) {
            try {
                Date parse = sdf.parse(format);
                long time = parse.getTime();
                res = String.valueOf(time / 1000);
            } catch (Exception e) {
            }
        } else {
            long time = System.currentTimeMillis();
            res = String.valueOf(time / 1000);
        }
        return res;
    }
    /*
     * 将时间戳转换为时间
     */
    public static String stampToDate(int time,String pattern) {
        SimpleDateFormat format = new SimpleDateFormat(pattern);
        String times = format.format(new Date(time * 1000L));
        return times;
    }
}
